Blar i Brage IMR på forfatter "Bjerke, Ole"

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    • Polartorskundersøkelser i Barentshavet somrene 1970 - 1972 

      Gjøsæter, Jakob; Bjerke, Ole (Fisken og havet, Research report, 1973)
      In 1970, 1971 and 1972 cruises were conducted in the Barents Sea during May and June. The main aim was to find fishable concentrations of Polar cod and to guide the Norwegian vessels fishing for this species. In 1970 ...

    • Vintersildundersøkelser i 1972 

      Dragesund, Olav; Bjerke, Ole; Sangolt, Gunnleiv (Fisken og havet;1972 - Nr. 3, Research report, 1972)
      Agreement was reached at an extraordinary NEAFC meeting in Moscow in December 1971by Island, Norway and USSR of a total ban for 1972 on fishing for adult Norwegian spring sprawning herring, except for a restricted fishery ...

    • Vintersildundersøkelser i 1973 

      Dragesund, Olav; Bjerke, Ole; Sangolt, Gunnleiv (Fisken og havet, Research report, 1973)
      There was also in 1973 a total ban on fishing for adult Norwegian spring spawning herring. In order to trace the distribution and migration of winter herring two commercial fishing boats equipped with purse seine, drift ...